Simplify your life on a hot summer day with the Ideal Pet 10.5 in. x 15 in. Extra Large Screen Guard Pet Door. If you have a screen door with a scratch guard, this is the only pet door designed especially for you. Give your pet access to shelter day and night and get them in out of the heat without any fuss or scratching at the door. Specially designed to be installed in screen door with an expandable metal scratch guard, this door is simple to install with easy to understand instructions. Keep your large furry friend safe and happy with an Ideal Door.